Keystones — Bedrock
Five GCSE retrieval questions · 8 February 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 6 + 5
Answer: 11 -
2. Algebra
Find the next term: 27, 33, 39, 45, ...
Answer: 51 -
3. Geometry
Opposite = 5cm, hypotenuse = 10cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics
Find the mean of: 9, 4, 15, 2
Answer: 7.5